#include <REGX52.H>
#include "Delay.h"
unsigned char Nixie_Buf[9]={0,10,10,10,10,10,10,10,10};//显示混存区 0~8

unsigned char NixieTable[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x00,0x40};//0x00空断码 不显示
                                                                                         //0x40一个横杠
void Nixie_SetBuf(unsigned char Location,Number)
{
	
	Nixie_Buf[Location]=Number;
}


void Nixie_Scan(unsigned char Location,Number)
{
	P0=0x00;
	switch(Location)
	{
		// 1    2     3     4     5     6     7     8
		//LED8 LED7  LED6  LED5  LED4  LED3  LED2  LED1
		// Y7   Y6    Y5    Y4    Y3    Y2    Y1    Y0
		case 1: P2_4=1;P2_3=1;P2_2=1;break;
		case 2: P2_4=1;P2_3=1;P2_2=0;break;
		case 3: P2_4=1;P2_3=0;P2_2=1;break;
		case 4: P2_4=1;P2_3=0;P2_2=0;break;
		case 5: P2_4=0;P2_3=1;P2_2=1;break;
		case 6: P2_4=0;P2_3=1;P2_2=0;break;
		case 7: P2_4=0;P2_3=0;P2_2=1;break;
		case 8: P2_4=0;P2_3=0;P2_2=0;break;
	}
	P0=NixieTable[Number];
	
}
void Nixie_Loop(void)
{
	static unsigned char i=1;
  Nixie_Scan(i,Nixie_Buf[i]);
	i++;
	if(i>=9){i=1;}

}